unit 2 review decimal place value, addition, and subtraction

Unit 2 Review

Decimal Place Value, Addition, and Subtraction

Teacher Model

Which of these is less than 0.519?a. 0.915b. 0.159c. 0.9150d. 0.815

Guided Practice

Which of these is greater than 0.419?a. 0.194b. 0.419c. 0.491d. 0.4190

Independent Guided Practice

Which of these is less than 0.761?a. 0.716b. 0.771c. 0.767d. 0.800

Independent Practice

Which of these is less than 0.608?a. 0.816b. 0.068c. 0.860d. 0.680

Teacher Model

Josh bought a coke for $1.39 and a bag of Swedish fish for $0.79 at the store how much did he spend?

Guided Practice

Ethan bought a notebook for $2.75 and a pack of two pens for $0.99. How much does he needs owe the clerk?

Independent Guided Practice

Blake bought a guitar pick for $2.18 and a new music book for $5.70? How much did Blake spend?

Independent Practice

Adam wants to get a new pencil case for $0.97 and a binder for $2.68. How much does he need to buy them?

Teacher ModelPlace the following numbers in order from least to greatest. Make a number line and place the decimal numbers on the line. Be sure to label the whole number beginning and ending points as well.

5.74 5.12 5.68 5.34 5.97

Guided PracticePlace the following numbers in order from least to greatest. Make a number line and place the decimal numbers on the line. Be sure to label the whole number beginning and ending points as well.

7.15 7.02 7.85 7.64 7.42

Independent Guided PracticePlace the following numbers in order from least to greatest. Make a number line and place the decimal numbers on the line. Be sure to label the whole number beginning and ending points as well.

8.57 8.25 8.08 8.81 8.97

Independent PracticePlace the following numbers in order from least to greatest. Make a number line and place the decimal numbers on the line. Be sure to label the whole number beginning and ending points as well.

6.51 6.94 6.23 6.42 6.12

Teacher Model Susan went to Target and bought a box of crayons for $1.79, 2 coloring books for $2.59 each, and a pencil box for $1.25. If she $10 to begin with, how much change would she get?

Guided PracticeTommy went to the store to buy a baseball glove for $15.79, 2 baseballs for $1.89 each, and a bat for $19.25. If he $40 to begin with, how much change would he get?

Independent Guided PracticeTroy went to the store to buy a cake for $16.59, 3 bags for chips for $3.89 each, and a gallon of ice cream for $7.49. If he $40 to begin with, how much change would he get?

Independent PracticeTroy went to the store to buy a cake for $16.59, 3 bags for chips for $3.89 each, and a gallon of ice cream for $7.49. If he $40 to begin with, how much change would he get?

Teacher ModelWhich of the following shows the number two hundred sixty three thousand, four hundred twenty four and nine hundred seventy eight thousandths?a. 263, 422.0978b. 203, 424.978c. 263, 424.978d. 200,630, 424.90078

Guide PracticeWhich of the following shows two hundred sixty three thousand, four hundred twenty four and nine hundred seventy eight thousandths?a. 200,630,424.978b. 263,424,978c. 263,424.978d. 236,424.978

Independent Guided PracticeWhich of the following shows five hundred ninety two thousand, eight hundred twenty four and two hundred nineteen thousandths?a. 590, 824.20019b. 592, 800, 240.219c. 592,824.0219d. 592,824.219

Independent Guided PracticeWhich of the following shows six hundred thirty seven thousand, four hundred thirty six and five hundred thirty two thousandths?a. 637,436.502b. 637,436.50032c. 637,436.532d. 673,436.532

Teacher ModelWhat is the expanded form of the following number? 0.581a. 5 + 80 + 100b. 5(1) + 8(10) + 1(100)c. 5 x + 8 x + 1 x

d. 5 x + 8 x + 1 x 1

1 10

_1_ 100

1__ 1000

_1_ 100

1 10

Guided PracticeWhat is the expanded form of the following number? 0.482a. 4 x + 8 x + 2 x

b. 5(1) + 8(10) + 1(100)c. 400 + 80 + 2d. 4 x + 8 x + 2 x 1 _1_

100 1 10

1 10

Independent Guided PracticeWhat is the expanded form of the following number? 0.729a. 7(1) + 2(10) + 9(100)

b. 700 + 20 + 9 c. 7 x + 2 x + 9 x

d. 7 x + 2x 9 x 1 _1_ 100

1 10

1 10

Independent PracticeWhat is the expanded form of the following number? 0.218a. 2 x + 1 x + 8 x 1b. 2 (100) + 1 (10) + 8 x (1)

c. 2 x + 1 x + 8 x

d. 200 + 10 + 9

_1_ 100

1 10

1 10

Teacher Model Simon and Terry were playing a decimal game. Each boy was trying to get closest to 1 without going over. Who got the closest?

Simon 0.34 + 0.04 + 0.09 +0.3Terry 0.51 + 0.08 + 0.24 + 0.3

Guided PracticeTroy and Jarrett were playing a decimal game. Each boy was trying to get closest to 1 without going over. Who got the closest?

Troy 0.4 + 0.14 + 0.39 +0.07Jarrett 0.01 + 0.38 + 0.2 + 0.43

Independent Guided PracticeDiane and Mary were playing a decimal game. Each girl was trying to get closest to 1 without going over. Who got the closest?

Diane 0.21 + 0.5 + 0.09 +0.17Mary 0.02 + 0.4 + 0.22 + 0.3

Independent PracticeDanielle and Kristie were playing a decimal game. Each girl was trying to get closest to 1 without going over. Who got the closest?

Danielle 0.18 + 0.2 + 0.49 +0.3Kristie 0.07 + 0.1 + 0.14 + 0.5

Teacher Model Jason sold $32.54 worth of popcorn. Ethan sold $45.24 worth of popcorn. About how much did the two boys sell in all?a. $77b. $78c. $79d. $87

Guided Practice Leigh sold $89.21 worth of cookies. Sherri sold $51.81 worth of cookies. About how much did the two girls sell in all?a. $37b. $140c. $141d. $147

Independent Guided Practice Chyna sold $52.84 worth of brownies. Lilly sold $37.42 worth of brownies. About how much did the two girls sell in all?a. $89b. $90c. $92d. $97

Independent Practice Cameron sold $62.32 worth of tickets. Bill sold $81.67 worth of tickets. About how much did the two boys sell in all?a. $140b. $141c. $143d. $144

Teacher Model Which of the following is the decimal number of the fraction ?

a. 56b. 5.6c. 0.56d. 0.056

56100

Guided PracticeWhich of the following is the decimal number of the fraction ?

a. 0.087b. 0.87c. 8.7d. 87

87100

Independent Guided PracticeWhich of the following is the decimal number of the fraction ?

a. 157b. 1.57c. 15.7d. 0.157

1571000

Independent PracticeWhich of the following is the decimal number of the fraction ?

a. 65b. 6.5c. 0.65d. 0.065

65100

Teacher ModelThe cost of a roundtrip airline ticket from Savannah to Boston is $458.21. Estimate the cost of the trip for a family of four.a.$460.00b. $1840.00c. $1890.00d. $2170.00

Guided PracticeThe cost of a roundtrip airline ticket from Savannah to Dallas is $388.65. Estimate the cost of the trip for a family of three.a.$1710.00b. $1270.00c. $1170.00d. $390.00

Independent Guided PracticeThe cost of a roundtrip airline ticket from Atlanta to Miami is $279.65. Estimate the cost of the trip for a family of four.a.$280.00b. $840.00c. $1120.00d. $1210.00

Independent PracticeThe cost of a roundtrip airline ticket from Atlanta to Washington D.C. is $326.95. Estimate the cost of the trip for a family of four.a. $1320.00b. $1230.00c. $1220.00d. $330.00

Teacher ModelBryce found $5.96 in his pocket. He also found $2.98 when he cleaned his room. About how much money does he have now?a. $7.00b. $8.00c. $9.00d. $10.00

Guided Practice Frank found $4.21 in his pocket. He also found $4.82 when he cleaned his room. About how much money does he have now?a. $6.00b. $7.00c. $8.00d. $9.00

Independent Guided Practice Hannah found $2.57 in his pocket. She also found $8.24 when she cleaned the car out. About how much money does she have now?a. $9.00b. $10.00c. $11.00d. $12.00

Independent Practice Savannah found $1.25 in her pocket. She also found $5.91 in the couch. About how much money does she have now?a. $6.00b. $7.00c. $8.00d. $9.00

Teacher Model The Garland family went on vacation. They spent $129 for a hotel. They bought 5 tickets to The Georgia Aquarium for $29.00 each. Their lunch cost $65.84 and the gas for the trip was $124.21. What was the cost of the total trip?

Guided PracticeThe Harris family went on vacation. They spent $119 for a hotel. They bought 3 tickets to The World of Coke for $23.00 each. Their lunch cost $34.85 and the gas for the trip was $103.25. What was the cost of the total trip?

Independent Guided Practice The Miles family went on vacation. They spent $132 for a hotel. They bought 4 tickets to Wet and Wild for $38.00 each. Their lunch cost $39.25 and the gas for the trip was $142.52. What was the cost of the total trip?

Independent Practice The Osteen family went on vacation. They spent $123 for a hotel. They bought 4 tickets to Six Flags for $54.00 each. Their lunch cost $54.28 and the gas for the trip was $124.72. What was the cost of the total trip?

Teacher ModelWhat number is 10 times 3 tenths?

A. 3B. 30C. 0.3D. 0.03

Guided PracticeWhat number is 10 times 6 tenths?

A. 0.06B. 0.6C. 6D. 60

Independent Guided PracticeWhat number is 10 times 7 tenths?

A. 70B. 7C. 0.7D. 0.07

Teacher Model

Subtract: 425.68 – 25.6

Guided Practice

Subtract: 765.98 – 42.5

Independent Guided Practice

Subtract: 841.27 – 65.7

Independent Practice

Subtract: 371.15 – 32.8

Teacher Model Tammy was taking a test and wrote the following incorrect statement on her paper.

0.812 < 0.842 < 0.828 < 0.847

Explain what mistake Tammy made.

Guided PracticeColin was taking a test and wrote the following incorrect statement on his paper.

0.214 < 0.235 < 0.275 < 0.264

Explain what mistake Colin made.

Independent Guided PracticeCourtney was taking a test and wrote the following incorrect statement on her paper.

0.465 < 0.412 < 0.432 < 0.448

Explain what mistake Courtney made.

Independent PracticeLynn was taking a test and wrote the following incorrect statement on her paper.

0.312 < 0.351 < 0.342 < 0.378

Explain what mistake Lynn made.

Teacher ModelLook at the sum of decimals below. Is this accurate? Explain why or why not.

37.54 + 4.2 = 37.96

Guided Practice Look at the sum of decimals below. Is this accurate? Explain why or why not.

25.84 + 23.5 = 29.19

Independent Guided Practice Look at the sum of decimals below. Is this accurate? Explain why or why not.

41.28 + 42.8 = 84.08

Independent Practice Look at the sum of decimals below. Is this accurate? Explain why or why not.

34.72 + 2.7 =34.99

Teacher Model In the number 6,666,666.666, what would be a true statement?a. The digit in the tens place is 1000 times greater the

digit in the ones place. b. The digit in the hundreds place is 1000 times

greater that the digit in the tenths place. c. The digit in the ten thousands place is 1000 times

greater than the digit in the thousands place. d. The digit in the millions place is 1000 times greater

than the digit in the ten thousands place.

Guided PracticeIn the number 1,111,111.111, what would be a true statement?a. The digit in the hundreds place is 100 times greater

the digit in the hundredths place. b. The digit in the hundreds place is 100 times greater

that the digit in the tenths place. c. The digit in the ten thousands place is 100 times

greater than the digit in the hundreds place. d. The digit in the millions place is 100 times greater

than the digit in the thousands place.

Independent Guided PracticeIn the number 8,888,888.888, what would be a true statement?a. The digit in the hundreds place is 10 times greater

the digit in the hundredths place. b. The digit in the ones place is 10 times greater that

the digit in the tenths place. c. The digit in the ten thousands place is 10 times

greater than the digit in the hundreds place. d. The digit in the millions place is 10 times greater

than the digit in the thousands place.

Independent PracticeIn the number 9,999,999.999, what would be a true statement?a. The digit in the hundreds place is 1000 times

greater the digit in the hundredths place. b. The digit in the tens place is 1000 times greater that

the digit in the tenths place. c. The digit in the ten thousands place is 1000 times

greater than the digit in the hundreds place. d. The digit in the millions place is 1000 times greater

than the digit in the thousands place.